Start at the document containing the link make it

start at the document containing the link
 make it MUCH easier to move web pages around as a group
 Use relative path when two files are more likely to be moved together
6. Styles
CSS: describes how HTML elements are to be displayed on screen, paper, or in
other media .
Logical Tags
<strong>, <em>, <p>, <ol>
Browsers decide how to render them
Physical Tags
<b>, <i>

Browsers have no choice
<DIV>
 Is replacement for <p>
 With no default properties
 Cause line break
<SPAN>
 Inline level tag/inline element
 With no built-in properties
 Do not cause line break
Classes vs IDs
Classes
 Can be used any number of times
 Can be used by many tags, which share its meaning
IDs
 Should only be used once
 Uniquely identify a tag
7. Interpretation
<img SRC="stairwaystitle.gif" WIDTH=350 HEIGHT=70>
Relative path to an an image, source from stairwaystitle.gif with width 350 and
height 70.
SRC attribute specifies the URL (web address) of the image
<A HREF="">
Stairways Announce List</A>
Link text: Stairways Announce List; visible part.
Destination address:
cgi: Common Gateway Interface
 identify the particular application
 to which form data should be sent for processing

When the submit button is pressed,
 the data is sent to a web server,
 the web server forwards the data to a cgi,
 the cgi processes the data and returns a web page to the server,
 the server passes that response on to the browser
<option value=julia-sawalha>Julia Sawalha</option>
Drop-down list
"../news/whatsnew.html"
Relative path
</EM>
Logical tag: emphasize
Excel
1. Cell references
Named range:
Excel updates all cell references in a worksheet, but the text of macros is
untouched.
Named range unchanged after row/column insertions.
 Easier to understand formulas or track errors
 Constant when insert row or column within the range
 Useful and flexible for macros
Absolute cell reference
 $A$1
 Do not change when copied or filled.